The length of a social media interaction is normally distributed with a mean of three minutes and a standard deviation of 0.4 minutes. what is the probability that an interaction last longer than four minutes

The area of a square is 84 square inches. What is the length, in inches, of one side of the square? Represent your answer using the square root symbol.

Eric bought 12.4 gallons of gasoline for $3.40 a gallon. How much did he pay for the gasoline?

3 pie over 13 equals what

A spinner is divided into 4 equal size sections. The 4 sections are colored red green orange and blue. If Ana spins the spinner twice what are the possible outcomes?

The local market is selling fresh fruit in baskets. The weights and amounts charged are shown below. For fruit weighing greater than or equal to 0.01 pounds and less than or equal to 0.5 pounds, the amount charged is $2.00.

Determine the direction that is parábola opens: y=4x^2+8x+2

A small soda costs $0.45 and a large soda costs $0.65 35 sodas were sold for a total of $18.55. How many of each size soda were sold

Karina ran 6 laps around a circular track with a radius of 20m how far did she run

Testing for mean equality between the salary and compa-ratio values for each employee in our case study example would use the t-test assuming equal variance t-test not assuming equal variance paired t-test we cannot compare these two measures.

city has 3 new houses for every 7 old houses. If there are 27 new houses in the city, how many old houses are there?